<!-- <!DOCTYPE html>  
    <html>  
    <head>  
        <title>html5调用摄像头实现拍照</title>  
        <meta charset="utf-8">  
        <meta name="viewport" content="width=device-width, initial-scale=1">  
    </head>  
    <body>  
    <video id="video" autoplay=""style='width:640px;height:480px'></video>  
    <button id="paizhao">拍照</button>   
    <canvas id="canvas" width="640" height="480"></canvas>  
    <script type="text/javascript">  
        var video=document.getElementById("video");  
        var context=canvas.getContext("2d");  
        var errocb=function(){  
            console.log("sth srong");  
        }  
        if(navigator.getUserMedia){  
            navigator.getUserMedia({"video":true},function(stream){  
                video.src=stream;  
                video.play();  
            },errocb);  
        }else if(navigator.webkitGetUserMedia){  
            navigator.webkitGetUserMedia({"video":true},function(stream){  
                video.src=window.webkitURL.createObjectURL(stream);  
                video.play();  
            },errocb);  
        }  
        document.getElementById("paizhao").addEventListener("click",function(){  
            context.drawImage(video,0,0,640,480);  
        });  
    </script>  
    </body>  
    </html> -->


<!-- <!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery弹出层效果</title>
<meta content="网页特效,特效代码,jQuery,css特效,Js代码,广告幻灯,图片切换" name="keywords" />
<meta content="jQuery弹出层效果，有关闭按钮，代码简单易懂，你可以随意修改弹出层的参数。" name="description" /> -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
   <script src="/uploads/common/js/jquery-1.4.2.min.js" type="text/javascript"></script>
<style>
.black_overlay{
display: none;
position: absolute;
top: 0%;
left: 0%;
width: 100%;
height: 100%;
background-color: black;
z-index:1001;
-moz-opacity: 0.8;
opacity:.80;
filter: alpha(opacity=80);
}
.white_content {
display: none;
position: absolute;
top: 10%;
left: 10%;
width: 80%;
height: 80%;
border: 16px solid lightblue;
background-color: white;
z-index:1002;
overflow: auto;
}
.white_content_small {
display: none;
position: absolute;
top: 20%;
left: 30%;
width: 40%;
height: 50%;
border: 16px solid lightblue;
background-color: white;
z-index:1002;
overflow: auto;
}
</style>
<script type="text/javascript">
//弹出隐藏层
function ShowDiv(show_div,bg_div){
document.getElementById(show_div).style.display='block';
document.getElementById(bg_div).style.display='block' ;
var bgdiv = document.getElementById(bg_div);
bgdiv.style.width = document.body.scrollWidth;
// bgdiv.style.height = $(document).height();
$("#"+bg_div).height($(document).height());
};
//关闭弹出层
function CloseDiv(show_div,bg_div)
{
document.getElementById(show_div).style.display='none';
document.getElementById(bg_div).style.display='none';
};
</script>
</head>
<body>
<input id="Button1" type="button" value="点击弹出层" onclick="ShowDiv('MyDiv','fade')" />
<!--弹出层时背景层DIV-->
<div id="fade" class="black_overlay">
</div>
<div id="MyDiv" class="white_content">
<div style="text-align: right; cursor: default; height: 40px;">
<span style="font-size: 16px;" onclick="CloseDiv('MyDiv','fade')">关闭</span>
</div>
目前来说，我还是喜欢这个自己改造的弹出层。自己在项目中也用的是这个。
</div>
</body>
</html>
